import java.util.Scanner;
public class Test {
}
//一维前缀和【模板】
 class Main1 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int q = in.nextInt();
        int[] arr = new int[n+1];
        for(int i = 1; i <= n; i++){
            arr[i] = in.nextInt();
        }

        long[] dp = new long[n+1];
        for(int i = 1; i <= n; i++){
            dp[i] = dp[i-1] + arr[i];
        }

        while(q > 0){
            int l = in.nextInt(), r = in.nextInt();
            System.out.println(dp[r] - dp[l-1]);
            q--;
        }
    }
}


//二维前缀和【模板】
 class Main2 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        int q = in.nextInt();
        int[][]arr = new int[n + 1][m + 1];
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                arr[i][j] = in.nextInt();
            }
        }

        long[][] dp = new long[n + 1][m + 1];
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                dp[i][j] = dp[i-1][j] + dp[i][j-1] + arr[i][j] - dp[i-1][j-1];
            }
        }

        while(q > 0){
            int x1 = in.nextInt(), y1 =in.nextInt(), x2 = in.nextInt(), y2 = in.nextInt();
            System.out.println(dp[x2][y2] - dp[x1-1][y2] - dp[x2][y1-1] + dp[x1-1][y1-1]);
            q--;
        }


    }
}